Re: A problem loading ssb module

["Luis R. Rodriguez" <lrodriguez@atheros.com>]

On Mon, Sep 28, 2009 at 01:00:55PM -0700, Tim Gardner wrote:
> Luis R. Rodriguez wrote:
> > On Sun, Sep 27, 2009 at 12:50:19PM -0700, Luis R. Rodriguez wrote:
> >> On Sun, Sep 27, 2009 at 8:15 AM, Clyde McPherson <ccmcphe@verizon.net> wrote:
> >>>
> >>>> On Thu, Sep 24, 2009 at 11:33 AM, Hauke Mehrtens <hauke@hauke-m.de> wrote:
> >>>>
> >>>>> Bryan Wu wrote:
> >>>>>
> >>>>>> Mauro Di Domenico wrote:
> >>>>>>
> >>>>>>> Hi,
> >>>>>>> I'm testing new b43 modules for my 14e4:4315 broadcom card.
> >>>>>>> I've compiled and installed compat-wireless-2009-09-16 in a debian
> >>>>>>> machine with kernel version 2.6.30-6.
> >>>>>>>
> >>>>>>> During the boot I experience this problem:
> >>>>>>>
> >>>>>>> $ dmesg|egrep "b43|ssb"
> >>>>>>>
> >>>>>>> [    2.384463] b43-pci-bridge 0000:06:00.0: PCI INT A -> GSI 17 (level,
> >>>>>>> low) -> IRQ 17
> >>>>>>> [    2.384477] b43-pci-bridge 0000:06:00.0: setting latency timer to 64
> >>>>>>> [    2.544344] ssb: Sonics Silicon Backplane found on PCI device
> >>>>>>> 0000:06:00.0
> >>>>>>> [    6.968981] b43: disagrees about version of symbol
> >>>>>>> ssb_device_is_enabled
> >>>>>>> [    6.968986] b43: Unknown symbol ssb_device_is_enabled
> >>>>>>> [    6.969280] b43: Unknown symbol ssb_pmu_set_ldo_paref
> >>>>>>> [    6.969407] b43: disagrees about version of symbol
> >>>>>>> ssb_pcicore_dev_irqvecs_enable
> >>>>>>> [    6.969410] b43: Unknown symbol ssb_pcicore_dev_irqvecs_enable
> >>>>>>> .....
> >>>>>>> ....
> >>>>>>> ...
> >>>>>>>
> >>>>>>>
> >>>>>> I faced the exactly same issue as Mauro did. +1 from me, but currently
> >>>>>> have
> >>>>>> no time to take a deeper look.
> >>>>>>
> >>>>>> Thanks
> >>>>>>
> >>>>> Hi,
> >>>>>
> >>>>> I had the same problem with the ssb module and compat-wireless in ubuntu
> >>>>> 9.04. The problem is that the ssb module is integrated into the
> >>>>> initramfs image. The version out of the initramfs image is loaded on
> >>>>> startup and not the version of compat-wireless. Running "sudo
> >>>>> update-initramfs -u" after installing compat-wireless and restaing the
> >>>>> system fixes the problem for me. Either Debian/Ubuntu should remove ssb
> >>>>> form default initramfs image or compat-wireless should update the image
> >>>>> with the install command. At least the compat-wireless documentation
> >>>>> needs an update.
> >>>>>
> >>>>> Hauke
> >>>>>
> >>>>> (adding Luis and linux-wireless list)
> >>>>>
> >>>> Tim, do you guys update the initramfs upon installation of lbm? If a
> >>>> user does not use lbm and uses compat-wireless I suppose we need to do
> >>>> something similar.
> >>>>
> >>>>  Luis
> >>>> _______________________________________________
> >>>> Bcm43xx-dev mailing list
> >>>> Bcm43xx-dev@lists.berlios.de
> >>>> https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
> >>>>
> >>> All:
> >>> I have a large group that uses the ssb module along with the Broadcom 4318,
> >>> in a CF form factor. If the CF card is inserted before boot, and the ssb
> >>> module is not in the initrd process, the laptops lock up and do not become
> >>> operational. The solution to this problem is/was adding the ssb.ko to the
> >>> initrd process. So I agree with Luis on this, the ssb module will have to be
> >>> added/updated to the initrd process. As for PCI operations, I don't know,
> >>> but for PCMCIA operations ssb.ko has to be added and/or updated. Anytime I
> >>> am testing new releases of b43, I run "update-initramfs -u" to update the
> >>> ssb module. (Sometimes you can do a rmmod ssb and rmmod b43, and then
> >>> modprobe them back in. - This saves a reboot)
> >> But why is ssb, b43, b44 needed upon early boot?
> >
> > OK the reason seems to be netboot. Yeah the only fix for distros who want
> > this on the initramfs is to update it after a compat-wireless package is
> > installed. I suppose we can add a hook to compat-wireless for each distro.
> > I'm only familiar with Ubuntu way of doing this so if people are interested
> > in other distros you'll need to point/test how to do this on there.
> >
> > Please try this patch against compat-wireless: (also attached)
> >
> > From 99af88246c2de71aa799de2b63f9d9ccac41634f Mon Sep 17 00:00:00 2001
> > From: Luis R. Rodriguez <lrodriguez@atheros.com>
> > Date: Sun, 27 Sep 2009 13:58:22 -0700
> > Subject: [PATCH] Add scripts/update-initramfs and use it
> >
> > Some distributions may ship b44 and ssb on the initramfs for
> > netboot. To help with this we need to update the initrafms
> > for those distributions.
> >
> > Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
> > ---
> >  Makefile                 |    1 +
> >  scripts/update-initramfs |   33 +++++++++++++++++++++++++++++++++
> >  2 files changed, 34 insertions(+), 0 deletions(-)
> >  create mode 100755 scripts/update-initramfs
> >
> > diff --git a/Makefile b/Makefile
> > index ab97de0..c7333a2 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -65,6 +65,7 @@ install: uninstall install-modules install-scripts
> >  install-modules: modules
> >       $(MAKE) -C $(KLIB_BUILD) M=$(PWD) $(KMODDIR_ARG) $(KMODPATH_ARG) \
> >               modules_install
> > +     @./scripts/update-initramfs
> >
> >  install-scripts:
> >       @# All the scripts we can use
> > diff --git a/scripts/update-initramfs b/scripts/update-initramfs
> > new file mode 100755
> > index 0000000..412d885
> > --- /dev/null
> > +++ b/scripts/update-initramfs
> > @@ -0,0 +1,33 @@
> > +#!/bin/bash
> > +# Copyright 2009        Luis R. Rodriguez <mcgrof@gmail.com>
> > +#
> > +# Since we provide ssb, the Ethernet module b44 some people may
> > +# rely on it to netboot, so update the initrafms for each
> > +# distribution.
> > +#
> > +# Note that in the future people may want to wireless-boot
> > +# so this will help with that as well.
> > +
> > +LSB_RED_ID=$(/usr/bin/lsb_release -i -s)
> > +
> > +KLIB=/lib/modules/2.6.31-wl/build
> > +ver=$(echo $KLIB | awk -F "/lib/modules/" '{print $2}' | awk -F"/" '{print $1}')
> > +dir=/boot/
> > +
> > +case $LSB_RED_ID in
> > +"Ubuntu")
> > +     echo "Updating Ubuntu's initramfs for $ver under $dir ..."
> > +     mkinitramfs -o $dir/initrd.img-$ver $ver
> > +     echo "Will now run update-grub to ensure grub will find the new initramfs ..."
> > +     update-grub
> > +     ;;
> > +*)
> > +     echo "Warning:"
> > +     echo "You may or may not need to update your initframfs, you should if"
> > +     echo "any of the modules installed are part of your initramfs. To add"
> > +     echo "support for your distribution to do this automatically send a"
> > +     echo "patch against $0. If your distribution does not require this"
> > +     echo "send a patch against the '/usr/bin/lsb_release -i -s': $LSB_RED_ID"
> > +     echo "tag for your distribution to avoid this warning."
> > +        ;;
> > +esac
> >
> 
> Luis - I'll do something similar in a post install script for Karmic LBM

Great, thanks for the heads up.

> since the install-modules target in your makefile isn't used for a
> debian install.

Not sure I followed this part, what do you mean?

  Luis